Smart Stir AutoAqua Smart Stir is a handy gadget to help the aquarist perform accurate water analyzes. Water testing is important to ensure the success of a home aquarium. For accurate testing, most liquid test kits require the water sample to be mixed or stirred after adding a reagent. In some cases, you need to add one drop of reagent at a time,...

Cleaning solution for pH, mV and conductivity electrodes.

CO2 valve set including non-return valve 7070.010 and a 5 m (196.8 in.) hose 7072.300.

pH electrode Tunze in glass Made of glass, BNC, cable length 2m (78.7 in.), suitable for units 7070 or 7070/2 or for commercially available measuring instruments.

pH electrode Tunze plastic Made of plastic, BNC, cable length 2m (78.7 in.), suitable for units 7070 or 7070/2 or for commercially available measuring instruments.

Redox Controller Tunze The Redox Controller is a compilation consisting of the SmartController 7000 and the following accessories: - 7070.120 Controlled Power Socket - 7055.100 mV electrode made of glass - 7070.300 pH / mV electrode holder - 7075.150 Redox Test Solution +475 mV, 50 ml (1.67 oz.) Each in a separate package. Only...

Calibration solution 600 µS/cm For fresh water.

Buffer solution for pH 5 and 7 for all pH measuring instruments.

Buffer solution for pH 7 and 9 for all pH measuring instruments.

mV Electrode made of glass, BNC, cable length 2 m (78.7 in.), suitable to replace Redox Controller 7075.000, 7000.000 or commercially available mV measuring instruments.

pH controller (7070/2) This handy inexpensive pocket measuring instrument is supplied with a universal wall mount and electrode holder along with a long-life glass electrode, buffer solution and 9 V battery. The Auto Power Off function ensures a long life of the battery.